Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Oxidative Dehydrogenation of n-Butane over Cr Catalysts Supported on Alumina and SBA-15

Cr이 담지 된 알루미나, SBA-15 촉매에서 n-부탄의 산화적 탈수소화 반응

  • Shin, Jin Hyun (Department of Chemical and Biochemical Engineering, Konyang University) ;
  • Shin, Jin Ho (Department of Chemical and Biochemical Engineering, Konyang University) ;
  • Cho, Deug Hee (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Ko, Moon Kyu (Department of Chemical and Biochemical Engineering, Konyang University)
  • 신진현 (건양대학교 화공생명학과) ;
  • 신진호 (건양대학교 화공생명학과) ;
  • 조득희 (한국화학연구원 신화학연구단) ;
  • 고문규 (건양대학교 화공생명학과)
  • Received : 2013.01.22
  • Accepted : 2013.02.05
  • Published : 2013.06.01
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Abstract

Oxidative dehydrogenation of n-butane over mesoporous Cr catalysts were studied. Catalysts were prepared by Cr impregnated method over Ti or Zr dispersed mesoporous support such as SBA-15, ${\gamma}$-alumina and characterized by XRD, SEM, TEM, FT-IR UV-Vis and ICP-AES. The effect of high surface area was not noticed appreciably in terms of conversion, but for Cr catalysts with Ti and Zr-incorporated on SBA-15 and ${\gamma}$-alumina. showed high selectivity of trans-2-butene.

n-부탄의 산화적 탈수소화 반응을 위한 Cr 촉매가 연구되었다. 촉매의 제조는 메조포러스 물질인 SBA-15와 ${\gamma}$-alumina 지지체로 사용되었고 지지체의 표면 위에 Cr 산화물을 담지시키는 방법은 함침법이 사용되었고, Cr의 분산성을 높이기 위하여 구조 증진제로 Ti, Zr를 분산시킨 위에 Cr을 담지하여 특성분석 하였다. 촉매특성은 XRD, FT-IR, UV-Vis, ICPAES, SEM, TEM 등을 이용하여 분석하였다. Cr 촉매에서 넓은 표면적을 가진 지지체의 효과는 전환율에 큰 차이를 보이지 않고 Ti, Zr이 증진제로 사용된 촉매의 경우 trans-2-부텐의 선택도가 높아짐을 보였다.

Keywords

References

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